obama, michelle obama, along with her daughters, sasha and malia, they visited mandela, reading a book with him. and also talking with him. obviously, mandela, south africa's first black president, a huge inspiration to the u.s.'s first black president and his family. >> tahman bradley, live in washington for us this morning. >>> you heard tahman reference that memorial service that will be held in a football stadium. it's part of a logistical nightmare south african officials are facing. >> it's likely that most of the living u.s. presidents will travel to south africa. dozens of other dignitaries will attend. the event is being likened to organizing a world cup, plus a coronation and inauguration at the same time. >> bill clinton was in power when nellman mandela took power. we will remember him as a man of uncommon grace and compassion. >> reporter: mandela's two youngest daughters were in london at the time of his death, attending a premiere about the film of his life. >> they left immediately. but they asked the film be played to the end. the audience was told that mandela had die